(Auto)(Default setting):

Adjusts white balance automatically so that colors appear natural.

(Daylight):

Adjusts for outdoors conditions on a fine day, evening views, night scenes, neon signs, fireworks, etc.

(Cloudy):

Adjusts for a cloudy sky or a shady location.

(Fluorescent White Balance 1):

Adjusts for white fluorescent lighting.

(Fluorescent White Balance 2):

Adjusts for natural white fluorescent lighting.

(Fluorescent White Balance 3):

Adjusts for daylight fluorescent lighting.

(Incandescent):

Adjusts for places under incandescent lamp, or under bright lighting, such as in a photo studio.

(Flash):

Adjusts for flash conditions.